Fix RegExp literal parsing

JerryScript-DCO-1.0-Signed-off-by: László Langó llango.u-szeged@partner.samsung.com
JerryScript-DCO-1.0-Signed-off-by: Dániel Bátyai dbatyai.u-szeged@partner.samsung.com

tests/jerry/arithmetics.js

@@ -37,3 +37,5 @@ assert (1 / (-1 % -1) < 0);
 assert (1 / (-1 % 1) < 0);
 assert (1 / (1 % -1) > 0);
 assert (1 / (1 % 1) > 0);
+
+assert (eval ("x\n\n=\n\n6\n\n/\n\n3") === 2)

tests/jerry/regexp-literal.js

@@ -23,3 +23,45 @@ assert ("a"+/x/+"b" == "a/x/b");
 
 t = /\/\[[\]/]/.exec("/[/");
 assert (t == "/[/");
+
+t = /\u0000/.exec("\u0000");
+assert (t == "\u0000");
+
+try {
+	eval("/" + String.fromCharCode("0x0000") + "/");
+} catch (e) {
+	assert (false);
+}
+
+try {
+	eval("var x = 5\n\n/foo/");
+	assert(false);
+} catch (e) {
+	assert(e instanceof SyntaxError);
+}
+
+try {
+	eval("var x = 5;\n\n/foo/");
+} catch (e) {
+	assert(false);
+}
+
+try {
+	eval("for (;false;/abc/.exec(\"abc\")) {5}");
+} catch (e) {
+	assert(false);
+}
+
+try {
+	eval("var a = [] /foo/");
+	assert(false);
+} catch (e) {
+	assert(e instanceof SyntaxError);
+}
+
+try {
+	eval("/");
+	assert(false);
+} catch (e) {
+	assert(e instanceof SyntaxError);
+}